Belvidere, IL Weather Forecast

Local 7-day forecast

63°
F

Patchy Drizzle then Slight Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Belvidere, IL in one place.

Monday, November 2, 2026
Wind: 15 mph SSE
Today

Patchy drizzle before 4pm, then a slight chance of rain showers. Cloudy, with a high near 63. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Belvidere, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 2, 2026 10:30 AM CST.

The active forecast window currently covers Nov 2 to Nov 8, 2026 for Belvidere, IL.

Page Snapshot

Page focus
city weather
Forecast window
Nov 2 to Nov 8, 2026
Latest sync
Nov 2, 2026 10:30 AM CST
Forecast office
LOT
Source
NOAA / NWS
Next High
63°F
Today
Next Low
59°F
Tonight
Rain Outlook
9
Periods mentioning precipitation
Windiest
15 to 20 mph
Tonight

Daily Outlook

Today
Nov 2
Patchy Drizzle then Slight Chance Rain Showers
63 °F
/ 59°F
Wind 15 mph
Tue
Nov 3
Showers And Thunderstorms
71 °F
/ 54°F
Wind 15 to 20 mph
Wed
Nov 4
Chance Rain Showers
64 °F
/ 46°F
Wind 10 to 15 mph
Thu
Nov 5
Mostly Cloudy then Chance Rain Showers
57 °F
/ 42°F
Wind 5 to 10 mph
Fri
Nov 6
Slight Chance Rain Showers
56 °F
/ 37°F
Wind 5 to 10 mph
Sat
Nov 7
Partly Sunny
57 °F
/ 38°F
Wind 0 to 5 mph
Sun
Nov 8
Slight Chance Rain Showers then Partly Sunny
57 °F
/ 36°F
Wind 0 to 10 mph

This Week in Belvidere

Tuesday looks like the warmest upcoming period in Belvidere at 71 degrees F.

Sunday Night is the coolest period ahead with temperatures near 36 degrees F.

The strongest winds are forecast for Tonight at about 15 to 20 mph S.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Nov 2, 2026 10:30 AM CST
Coverage
8 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KMKX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Nov 2
59°F
Chance Rain Showers
15 to 20 mph S

A chance of rain showers. Cloudy, with a low around 59. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Tuesday
Nov 3
71°F
Showers And Thunderstorms
15 to 20 mph S

Rain showers likely before 3pm, then showers and thunderstorms. Cloudy. High near 71, with temperatures falling to around 68 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Tuesday Night
Nov 3
54°F
Showers And Thunderstorms
10 to 15 mph S

Showers and thunderstorms. Cloudy, with a low around 54. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

Wednesday
Nov 4
64°F
Chance Rain Showers
10 to 15 mph SW

A chance of rain showers. Mostly cloudy, with a high near 64. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Wednesday Night
Nov 4
46°F
Mostly Cloudy
5 to 10 mph SW

Mostly cloudy, with a low around 46.

Thursday
Nov 5
57°F
Mostly Cloudy then Chance Rain Showers
5 to 10 mph W

A chance of rain showers after noon. Mostly cloudy, with a high near 57.

Thursday Night
Nov 5
42°F
Slight Chance Rain Showers then Mostly Cloudy
5 mph NW

A slight chance of rain showers before midnight. Mostly cloudy, with a low around 42.

Friday
Nov 6
56°F
Slight Chance Rain Showers
5 to 10 mph NNW

A slight chance of rain showers. Mostly cloudy, with a high near 56.

Friday Night
Nov 6
37°F
Mostly Cloudy
0 to 5 mph N

Mostly cloudy, with a low around 37.

Saturday
Nov 7
57°F
Partly Sunny
0 to 5 mph NW

Partly sunny, with a high near 57.

Saturday Night
Nov 7
38°F
Mostly Cloudy
0 to 5 mph SW

Mostly cloudy, with a low around 38.

Sunday
Nov 8
57°F
Slight Chance Rain Showers then Partly Sunny
0 to 10 mph W

A slight chance of rain showers before noon. Partly sunny, with a high near 57.

Sunday Night
Nov 8
36°F
Partly Cloudy
0 to 5 mph WNW

Partly cloudy, with a low around 36.

Detailed Forecast

Period Conditions Temp Wind
Today
Nov 2
Patchy Drizzle then Slight Chance Rain Showers
63°F
15 mph
SSE
Tonight
Nov 2
Chance Rain Showers
59°F
15 to 20 mph
S
Tuesday
Nov 3
Showers And Thunderstorms
71°F
15 to 20 mph
S
Tuesday Night
Nov 3
Showers And Thunderstorms
54°F
10 to 15 mph
S
Wednesday
Nov 4
Chance Rain Showers
64°F
10 to 15 mph
SW
Wednesday Night
Nov 4
Mostly Cloudy
46°F
5 to 10 mph
SW
Thursday
Nov 5
Mostly Cloudy then Chance Rain Showers
57°F
5 to 10 mph
W
Thursday Night
Nov 5
Slight Chance Rain Showers then Mostly Cloudy
42°F
5 mph
NW
Friday
Nov 6
Slight Chance Rain Showers
56°F
5 to 10 mph
NNW
Friday Night
Nov 6
Mostly Cloudy
37°F
0 to 5 mph
N
Saturday
Nov 7
Partly Sunny
57°F
0 to 5 mph
NW
Saturday Night
Nov 7
Mostly Cloudy
38°F
0 to 5 mph
SW
Sunday
Nov 8
Slight Chance Rain Showers then Partly Sunny
57°F
0 to 10 mph
W
Sunday Night
Nov 8
Partly Cloudy
36°F
0 to 5 mph
WNW
Belvidere IL United States Post Office1
Belvidere IL United States Post Office1 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.